Germany, Prussia. Lot used 1850 on stock cards. SCHLOCHAU (LK Schlochau, RB Marienwerder). Prussia # 2 with numeral cancellation 788 (Landeck), Prussia # 4 with numeral cancellation 580 (Hammerstein) and Prussia # 4 with numeral cancellation 1334 (Schlochau). Fine quality. (3)